Effects of titanium oxide nanotube arrays with different lengths on the characteristics of dye-sensitized solar cells

Chin Guo Kuo, Cheng Fu Yang, Lih Ren Hwang, Jia Sheng Huang

研究成果: 雜誌貢獻期刊論文同行評審

9 引文 斯高帕斯(Scopus)

摘要

The self-aligned highly ordered TiO2 nanotube (TNT) arrays were fabricated by potentiostatic anodization of Ti foil, and we found that the TNT-array length and diameter were dependent on the electrolyte (NH 4F) concentration in ethylene glycol and anodization time. The characteristics of the fabricated TNT arrays were characterized by XRD pattern, FESEM, and absorption spectrum. As the electrolyte NH4F concentration in the presence of H2O (2 vol%) with anodization was changed from 0.25 to 0.75 wt% and the anodization period was increased from 1 to 5 h, the TNT-array length was changed from 9.55 to 30.2 m and the TNT-array diameter also increased. As NH4F concentration was 0.5 wt%, the prepared TNT arrays were also used to fabricate the dye-sensitized solar cells (DSSCs). We would show that the measured photovoltaic performance of the DSSCs was dependent on the TNT-array length.

原文英語
文章編號650973
期刊International Journal of Photoenergy
2013
DOIs
出版狀態已發佈 - 2013

ASJC Scopus subject areas

  • 化學 (全部)
  • 原子與分子物理與光學
  • 可再生能源、永續發展與環境
  • 材料科學(全部)

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